Heitzeg’s works for symphony orchestra:

• A Voice Remembered (In Memoriam Hubert H. Humphrey)
• American Nomad
• Aqua (Hommage à Jacques Yves-Cousteau)
• Blessed Are the Peacemakers
• Blue Liberty
• Fanfare for a Weapon-Free World
• Flower of the Earth (Homage to Georgia O’Keefe)
• For the Time Being
• Ghosts of the Grasslands
• Hail Minnesota (Blue Land) (arrangement of Minnesota State Song)
• Litanies for the Living
• Madeline Island: Sanctuary in Blue
• Mahkato Wakpa (Blue Earth River)
• Mustang (in tribute to wild horses and burros)
• Nine Surrealist Studies (After Salvador Dali)
• Nobel Symphony
• Now We Start the Great Round
• On the Day You Were Born
• On the Day You Were Born (chamber orchestra version)
• Sacred Stones
• Symphony In Sculpture I
• Symphony In Sculpture II
• Symphony In Sculpture III
• Symphony to the Prairie Farm
• The Tin Forest
• Together (Divided We Are Nothing)
• Voice of the Everglades (a Tribute to Marjory Stoneman Douglas)
• We Are Met at Gettysburg
• Wounded Fields